19748716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 19270964

約数列:

[1, 2, 4, 13, 26, 41, 52, 59, 82, 118, 157, 164, 236, 314, 533, 628, 767, 1066, 1534, 2041, 2132, 2419, 3068, 4082, 4838, 6437, 8164, 9263, 9676, 12874, 18526, 25748, 31447, 37052, 62894, 83681, 120419, 125788, 167362, 240838, 334724, 379783, 481676, 759566, 1519132, 4937179, 9874358, 19748716]

約数ペア:

[(1, 19748716), (2, 9874358), (4, 4937179), (13, 1519132), (26, 759566), (41, 481676), (52, 379783), (59, 334724), (82, 240838), (118, 167362), (157, 125788), (164, 120419), (236, 83681), (314, 62894), (533, 37052), (628, 31447), (767, 25748), (1066, 18526), (1534, 12874), (2041, 9676), (2132, 9263), (2419, 8164), (3068, 6437), (4082, 4838)]